The 2018 Arkansas lieutenant gubernatorial election was held on November 6, 2018, to elect the Lieutenant Governor of Arkansas, concurrently with elections to the United States House of Representatives, governor, and other state and local elections. Primary elections were held on May 22, 2018, with runoff elections held on June 19.
Incumbent Republican lieutenant governor Tim Griffin won re-election to a second term in office.
Griffin won five counties that had previously voted for Democratic candidate John Burkhalter in 2014.
Griffin won all four congressional districts.